Churn



H. CHRISTENSEN.

CHURN.

APPLICATION FILED JULY 23.1919.

1,344,937. v PatentedJune29, 1920,

2. SHEETSSHEET 1.

30 INVENTOR.

H. CHRISTENSEN.

CHURN.

APPLICATION FILED JULY 23.1919.

2 SHEETS-SHEET 2.

. 937. Patented June 29, 1920."

IN V EN TOR. Era 5' i'zgs zem we 76 6% @Mivns.

- fact that these rollers could not be removed UNITED} Si? Parr otnri HANS CHRISTENSEN'QOF SiPRING-DALE, WASHINGTON? CHURN.

Specificationo f Iietters latent. p t t gu 29 Application filed July 23', 1919... Se1ia1-.No..312,811.

To all whom it may concern.

Be it known that I,"HANs CHRISTENSEN,

a citizen of the United States, residing at Springdale, in the county of Stevensandr State of Washington, have 'invented new and useful Improvements in Churns,- of

which the following is a-specification.

This invention relates. to improvements in churns and isparticula'rly adaptedfor' that class of churns in which the barrel or vat rotates about a horizontal axis. In. this class of churns, kneadingirolle'rs have beenemployed'onto which the material in the" churn has been discharged.- and. between which worked. However, these constructions have been found 'to be objectionable because of the from the barrel to facilitate. scalding and cleaning the interior thereof. Therefore, I while all the advantages of kneading rollersin the interiorof. the barrel have been fully appreciated, stil'l, these advantages have 1 the barrel instead-of setting thewkneadingl rollersiolf-center with respect to the barrelt" My invention includes a novel form .of drive whereby rotary motion-qimparted tothe barrel to rotate. -the' latter will be imparted also to'the kneadingrollers-torotate the latter about their individualaxes. My

improved driving means also provides-'for a power drive and'alsoa manual drive, in either of whichumilities the" .mechanism" serves the dual purposes of operating the barrel and the kneading rollers; I

My invention also includes a novel means whereby the kneading-.rollrs may be securely'mounted axially of the barrel in such a manner as to permitsaid; rollers freely to rotate about their "individual .axes and 'presi venting the rollers from bodily rotating",

all of. which will be more'fully'described .in

connection with .the accompanying drawsuch material was kneaded and ings; and will. be more p articularly pointed out inand by the appended claims.

In thev drawings lqgure. 1, is a verticalsectional.view of my improved churn.

F 1g. 2, 1s a sectional view on, line 2 -2; of Figr l. r i

Fig; 3, is a view in sideelevationa partly in section v showing the-kneading .rollers withdrawn from the vbarrel.together with parts pertlnent to said rollers.

Fig. 4, is a plan .view thereofy partlyin j section."

F 1g. 5, is an end. vlew looking inlthe direc- 'tionof the arrow of Fig. 1. V

F 1g. 6,.1s a sectional view on line-66 of F igi 1.;

F ig.,7, is a sectional view online 7-7 of Fig.5. i

L ikeh characters of reference designate. slmilar parts throughout-the different fig ures of the drawings.

A supporting frame-is providedwhichQ may; comprise verticalhorses 1 and- 2 each i having .one or more transverse braces 3 and 4. Longitudinalbrace members 5 are shown to rig dify the. frame- Supporting roller. shafts 6 are also journaled in'the horses and these serve to further strengthen the frame. f

Each shaft .6 has a pair ofv rollers :7 for supporting the barrel rotatively to. permit the latter to be revolved about a horizontal. I fixed axis and also to permitthe barrel to be readily detached for shipping or movllsjillustrated, the barrel 8 is-cylindrical in formand is provided with a crank head 9 and an open head 10. A door 11 provides for removingthe contents of the churn and the latter may have flanges 12 to hold the' barrel against. longitudinal movement on the rollers 7. On-the' head 9.is a bearing 13 through which the spindle or' shaft 14 of a crank 15, extends. The shaft 14 projects through the head 9 and 'slightly' interiorly of the barrel 8 to -performa supporting function which will be presently described, as regards its end 16. A set screw 17 serves to secure the shaft i l-so that when the crank .15 is turn'ed,-'the barrel will'berotated'.

This adjusting feature also provides for the shaftl l being extended inwardly or out wardly,as desired. The barrel 8 is provided with a plurality. ofislats l8i'which are equidistantly' disposed in the interior thereof.

These slats are shown mortised endwise thereof into the heads 9 and 10 in slightly spaced relation to the cylindrical wall of the barrel. The purpose. of these slats is to engage and elevate portions of the contents of the churn and then discharge those portions onto axially disposed kneading rollers, which will be presently described. A guard 19 "is mounted on the head 9 and extends over the shaft 14 to prevent discharge of the contents thereon and beyond the ends of the kneading rollers. The head 10 is provided with an opening into which fits a closure 20 to completely close the barrel when the latter is being operated in the production of butter. 7

Reference will next be made to my improved kneading rollers and the manner of mounting the same.

.As shown, these kneading rollers 21 and 22 are fluted so that when the material is deliver-ed onto the same the freely meshing fluted portions will effectively knead the material. Roller 21 is mounted on spindle 23 and roller 22 is mounted on spindle 24. The head ends of said spindles are journaled in a spindle-supporting bar 25 havmg an opening 26 into which the end 16 of the crank shaft fits. Thus the head ends of the spindles are loosely supported on the crank shaft as the latter rotates freely in the opening 26 and the supporting bar 25 may be freely moved onto or out of engagement with said shaft. Said spindles extend through and are jour' naled in the closure 20. A frame bar 27 forms a bearin for the extreme ends of said spindles. pindle 23 is provided with a gear wheel 28 which meshes with the gear wheel 29 on spindle 24 thereby insuring ro tation of the rollers in opposite directions. On spindle 24, or fixed to gear-29, is a pulley 30. Closure 20 is rigidly although removably connected with bar 27 by means such as a guard 31 which issecurely anchored to bar 27. Guard 31 is provided with a plurality of pins 32 and 33 which extend through the closure 20 so that the latter will be rigidly and noirrotatively fixed to the bar 27. It will thus be seen that with the parts in the position shown in Fig. 1, that when the bar 27 is secured to the frame member 2, the spindles 23 and 24 will be held in a horizontal position and will be prevented from sagging, the one with respect to the other. The engagement of the closure 20 with the opening and head 10 also serves as an additional support althou h this is not strictly necessary by reason of t e ample support afforded by shaft 14.

I will next refer to the manner in which the bar 27 is secured to the frame, reference being had more particularly to Figs. 5 and 7.

Bolts 34 extend through the frame and bar 27 and may be provided with winged nuts 35. Wedges 36 may be interposed be ,may provide pins 39 to prevent disengagement of the spindles from the supporting bar 25.

I will next refer to the novel manner in which drive is imparted to the spindles. A countershaft 40 is j ournaled in bearings 41, 42 and 43, on the frame, and is provided with a pulley 44. A belt 45 is trained over this-pulley and about the barrel 8. A pul ley 46 on the free end of said shaft is connected into drivewith pulley 30 by means of a belt 47. Thus as the crank 15 is turned.

drive will be imparted through the barrel to the countershaft 40, a'nd from the countershaft 40 by belt 47 to the spindle 24. If power-drive is desired a pulley 48 may be mounted on countershaft 40. Now it will be seen that the kneading rollers can be withdrawn, as shown in Figs. 3 and 4, by merely slipping the belt 47 endwise off from the pulley 46 and shaft 40.

It is believed that the advantages of my invention will be fully understood from the foregoing description, and while I have herein shown one specific form of my invention, I do not wish to be limited thereto except for such limitations as the claims ma import. i

I claim 1. A churn comprising in combination, a barrel having'a crank'and an open head, a frame, rollers'on said frame rotatively supporting said" barrel for. rotation of the latter about a fixed axis, a crank projecting through said crank head and adjustably fixed to said head to rotate the latter, a spindle supporting bar loosely mounted on said crank, kneading roller spindles having their ends journaled in said supporting bar, a closure for said open head, a frame bar, said spindles extending through said closure and frame bar, a guard rigidly connecting said frame bar and closure, kneading rollers on said spindles between said closure and supporting bar; and means for operating said kneading rollers.

2. A churn comprising in combination, a supporting; frame, mounted on said frame, andhaving a crank head and an open head, acrank having its shaft projecting through said crank head and adjustably fixed thereto, kneading rollers in said barrel having their crank head ends rotatively supported on said crank, a closure for saidopen end and a a barrel rotatively.

frame bar rigidly united and rotatively sup porting the remaining ends of said rollers, means for securing said frame bar to said frame to prevent bodily rotation of said. rollers except about their own axes and permit of Withdrawal of said rollers from said barrel, and means for driving said rollers from said barrel.

' 3. A churn comprising in combination, a supporting frame, a barrel rotatively mounted on said frame and having an open head end, kneading rollers for the interior of said barrel, and mechanism removably connected with said frame and a portion of the interior of said barrel for inserting or withdrawing said rollers through said open head or Withdrawing them out of said head.

4:. A churn comprising in combination, a supporting frame, a barrel rotatively mounted on said frame, and having an open head end, kneading rollers for the interior of said barrel, and mechanism removably connected With said frame and a portion of the interior of said barrel for inserting or Withdrawing said rollers through said open head or Withdrawing them out of said, head, said mechanism including a'closure for closing said open head end when said rollers are in position in said barrel.

5. A churn comprising in combination, a rotatively mounted barrel having an open head end, kneading means for the interior of said barrel, and mechanism for mounting said kneading means in the interior of said barrel for insertion or Withdrawal axially through the head of said barrel. 7

6. A churn comprising in combination, a supporting frame, a barrel rotatively mounted on said frame and having an open head end, kneading means for the interior of said barrel, and mechanism for supportingly connecting said kneading means with the frame for insertion and Withdrawal of said kneading means axially through the head of said barrel, and means for operating said kneading means when the latter is disposed in teriorly of the barrel.

In testimony that I claim the foregoing as my oWn, I hereIbIy ANS C RISTENSEN.

afiix m signature. r 

